From 92733d6695e0cdab3b42972f2cd6ed48d98ec689 Mon Sep 17 00:00:00 2001 From: Ray Date: Fri, 5 Apr 2019 13:15:56 +0200 Subject: BIG UPDATE: New models functions for animations! Multiple functions added and some reviewed to adapt to the new multi-mesh, multi-material and animated models. --- examples/models/models_animation.c | 101 +++ examples/models/resources/guy/guy.blend | Bin 0 -> 665304 bytes examples/models/resources/guy/guy.iqm | Bin 0 -> 39408 bytes examples/models/resources/guy/guyanim.iqm | Bin 0 -> 18244 bytes examples/models/resources/guy/guytex.png | Bin 0 -> 302388 bytes examples/others/iqm_loader/models_iqm_animation.c | 98 --- examples/others/iqm_loader/resources/guy.blend | Bin 665304 -> 0 bytes examples/others/iqm_loader/resources/guy.iqm | Bin 39408 -> 0 bytes examples/others/iqm_loader/resources/guyanim.iqm | Bin 18244 -> 0 bytes examples/others/iqm_loader/resources/guytex.png | Bin 302388 -> 0 bytes examples/others/iqm_loader/riqm.h | 739 +--------------------- 11 files changed, 103 insertions(+), 835 deletions(-) create mode 100644 examples/models/models_animation.c create mode 100644 examples/models/resources/guy/guy.blend create mode 100644 examples/models/resources/guy/guy.iqm create mode 100644 examples/models/resources/guy/guyanim.iqm create mode 100644 examples/models/resources/guy/guytex.png delete mode 100644 examples/others/iqm_loader/models_iqm_animation.c delete mode 100644 examples/others/iqm_loader/resources/guy.blend delete mode 100644 examples/others/iqm_loader/resources/guy.iqm delete mode 100644 examples/others/iqm_loader/resources/guyanim.iqm delete mode 100644 examples/others/iqm_loader/resources/guytex.png (limited to 'examples') diff --git a/examples/models/models_animation.c b/examples/models/models_animation.c new file mode 100644 index 00000000..a75241b3 --- /dev/null +++ b/examples/models/models_animation.c @@ -0,0 +1,101 @@ +/******************************************************************************************* +* +* raylib [models] example - Load 3d model with animations and play them +* +* This example has been created using raylib 2.5 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2019 Ramon Santamaria (@raysan5) and @culacant +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point + camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) + camera.fovy = 45.0f; // Camera field-of-view Y + camera.type = CAMERA_PERSPECTIVE; // Camera mode type + + + Model model = LoadModel("resources/guy/guy.iqm"); // Load the animated model mesh and basic data + Texture2D texture = LoadTexture("resources/guy/guytex.png"); // Load model texture and set material + SetMaterialTexture(&model.materials[0], MAP_DIFFUSE, texture); // Set model material map texture + + Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position + + // Load animation data + int animsCount = 0; + ModelAnimation *anims = LoadModelAnimations("resources/guy/guyanim.iqm", &animsCount); + int animFrameCounter = 0; + + SetCameraMode(camera, CAMERA_FREE); // Set free camera mode + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + UpdateCamera(&camera); + + // Play animation when spacebar is held down + if (IsKeyDown(KEY_SPACE)) + { + animFrameCounter++; + UpdateModelAnimation(model, anims[0], animFrameCounter); + if (animFrameCounter >= anims[0].frameCount) animFrameCounter = 0; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + DrawModelEx(model, position, (Vector3){ 1.0f, 0.0f, 0.0f }, -90.0f, (Vector3){ 1.0f, 1.0f, 1.0f }, WHITE); + + for (int i = 0; i < model.boneCount; i++) + { + DrawCube(anims[0].framePoses[animFrameCounter][i].translation, 0.2f, 0.2f, 0.2f, RED); + } + + DrawGrid(10, 1.0f); // Draw a grid + + EndMode3D(); + + DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON); + DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + // Unload model animations data + for (int i = 0; i < animsCount; i++) UnloadModelAnimation(anims[i]); + + UnloadModel(model); // Unload model + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} diff --git a/examples/models/resources/guy/guy.blend b/examples/models/resources/guy/guy.blend new file mode 100644 index 00000000..3880467d Binary files /dev/null and b/examples/models/resources/guy/guy.blend differ diff --git a/examples/models/resources/guy/guy.iqm b/examples/models/resources/guy/guy.iqm new file mode 100644 index 00000000..36bed5e0 Binary files /dev/null and b/examples/models/resources/guy/guy.iqm differ diff --git a/examples/models/resources/guy/guyanim.iqm b/examples/models/resources/guy/guyanim.iqm new file mode 100644 index 00000000..824a68a3 Binary files /dev/null and b/examples/models/resources/guy/guyanim.iqm differ diff --git a/examples/models/resources/guy/guytex.png b/examples/models/resources/guy/guytex.png new file mode 100644 index 00000000..7f813552 Binary files /dev/null and b/examples/models/resources/guy/guytex.png differ diff --git a/examples/others/iqm_loader/models_iqm_animation.c b/examples/others/iqm_loader/models_iqm_animation.c deleted file mode 100644 index 18dd8577..00000000 --- a/examples/others/iqm_loader/models_iqm_animation.c +++ /dev/null @@ -1,98 +0,0 @@ -/******************************************************************************************* -* -* raylib [models] example - Load IQM 3d model with animations and play them -* -* This example has been created using raylib 2.0 (www.raylib.com) -* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -* -* Copyright (c) 2018 @culacant and @raysan5 -* -********************************************************************************************/ - -#include "raylib.h" - -#define RIQM_IMPLEMENTATION -#include "riqm.h" - -int main() -{ - // Initialization - //-------------------------------------------------------------------------------------- - int screenWidth = 800; - int screenHeight = 450; - - InitWindow(screenWidth, screenHeight, "raylib [models] example - iqm animation"); - - // Define the camera to look into our 3d world - Camera camera = { 0 }; - camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position - camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point - camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) - camera.fovy = 45.0f; // Camera field-of-view Y - camera.type = CAMERA_PERSPECTIVE; // Camera mode type - - // Load the animated model mesh and basic data - AnimatedModel model = LoadAnimatedModel("resources/guy.iqm"); - - // Load model texture and set material - // NOTE: There is only 1 mesh and 1 material (both at index 0), thats what the 2 0's are - model = AnimatedModelAddTexture(model, "resources/guytex.png"); // REPLACE! - model = SetMeshMaterial(model, 0, 0); // REPLACE! - - // Load animation data - Animation anim = LoadAnimationFromIQM("resources/guyanim.iqm"); - - int animFrameCounter = 0; - - SetCameraMode(camera, CAMERA_FREE); // Set free camera mode - - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - UpdateCamera(&camera); - - // Play animation when spacebar is held down - if (IsKeyDown(KEY_SPACE)) - { - animFrameCounter++; - AnimateModel(model, anim, animFrameCounter); // Animate the model with animation data and frame - } - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - BeginMode3D(camera); - - DrawAnimatedModel(model, Vector3Zero(), 1.0f, WHITE); // Draw animated model - - DrawGrid(10, 1.0f); // Draw a grid - - EndMode3D(); - - DrawText("PRESS SPACE to PLAY IQM MODEL ANIMATION", 10, 10, 20, MAROON); - - DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY); - - EndDrawing(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - UnloadAnimation(anim); // Unload animation data - UnloadAnimatedModel(model); // Unload animated model - - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -} diff --git a/examples/others/iqm_loader/resources/guy.blend b/examples/others/iqm_loader/resources/guy.blend deleted file mode 100644 index 3880467d..00000000 Binary files a/examples/others/iqm_loader/resources/guy.blend and /dev/null differ diff --git a/examples/others/iqm_loader/resources/guy.iqm b/examples/others/iqm_loader/resources/guy.iqm deleted file mode 100644 index 36bed5e0..00000000 Binary files a/examples/others/iqm_loader/resources/guy.iqm and /dev/null differ diff --git a/examples/others/iqm_loader/resources/guyanim.iqm b/examples/others/iqm_loader/resources/guyanim.iqm deleted file mode 100644 index 824a68a3..00000000 Binary files a/examples/others/iqm_loader/resources/guyanim.iqm and /dev/null differ diff --git a/examples/others/iqm_loader/resources/guytex.png b/examples/others/iqm_loader/resources/guytex.png deleted file mode 100644 index 7f813552..00000000 Binary files a/examples/others/iqm_loader/resources/guytex.png and /dev/null differ diff --git a/examples/others/iqm_loader/riqm.h b/examples/others/iqm_loader/riqm.h index 694e3a95..41ef8a14 100644 --- a/examples/others/iqm_loader/riqm.h +++ b/examples/others/iqm_loader/riqm.h @@ -49,67 +49,13 @@ // Types and Structures Definition //---------------------------------------------------------------------------------- -#define JOINT_NAME_LENGTH 32 // Joint name string length -#define MESH_NAME_LENGTH 32 // Mesh name string length - -typedef struct Joint { - char name[JOINT_NAME_LENGTH]; - int parent; -} Joint; - -typedef struct Pose { - Vector3 translation; - Quaternion rotation; - Vector3 scale; -} Pose; - -typedef struct Animation { - int jointCount; // Number of joints (bones) - Joint *joints; // Joints array - // NOTE: Joints in anims do not have names - - int frameCount; // Number of animation frames - float framerate; // Frame change speed - - Pose **framepose; // Poses array by frame (and one pose by joint) -} Animation; - -// Animated Model type -typedef struct AnimatedModel { - Matrix transform; // Local transform matrix - - int meshCount; // Number of meshes - Mesh *meshes; // Meshes array - - int materialCount; // Number of materials - Material *materials; // Materials array - - int *meshMaterialId; // Mesh materials ids - - // Animation required data - int jointCount; // Number of joints (and keyposes) - Joint *joints; // Mesh joints (bones) - Pose *basepose; // Mesh base-poses by joint -} AnimatedModel; +#define BONE_NAME_LENGTH 32 // BoneInfo name string length +#define MESH_NAME_LENGTH 32 // Mesh name string length //---------------------------------------------------------------------------------- // Module Functions Declaration //---------------------------------------------------------------------------------- -// Loading/Unloading functions -RIQMDEF AnimatedModel LoadAnimatedModel(const char *filename); -RIQMDEF void UnloadAnimatedModel(AnimatedModel model); -RIQMDEF Animation LoadAnimation(const char *filename); -RIQMDEF void UnloadAnimation(Animation anim); - -RIQMDEF AnimatedModel AnimatedModelAddTexture(AnimatedModel model, const char *filename); // GENERIC! -RIQMDEF AnimatedModel SetMeshMaterial(AnimatedModel model, int meshid, int textureid); // GENERIC! - -// Usage functionality -RIQMDEF bool CheckSkeletonsMatch(AnimatedModel model, Animation anim); -RIQMDEF void AnimateModel(AnimatedModel model, Animation anim, int frame); -RIQMDEF void DrawAnimatedModel(AnimatedModel model, Vector3 position, float scale, Color tint); -RIQMDEF void DrawAnimatedModelEx(AnimatedModel model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); #endif // RIQM_H @@ -133,90 +79,6 @@ RIQMDEF void DrawAnimatedModelEx(AnimatedModel model, Vector3 position, Vector3 //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- -#define IQM_MAGIC "INTERQUAKEMODEL" // IQM file magic number -#define IQM_VERSION 2 // only IQM version 2 supported -#define ANIMJOINTNAME "ANIMJOINT" // default joint name (used in Animation) - -//---------------------------------------------------------------------------------- -// Types and Structures Definition -//---------------------------------------------------------------------------------- -// iqm file structs -typedef struct IQMHeader { - char magic[16]; - unsigned int version; - unsigned int filesize; - unsigned int flags; - unsigned int num_text, ofs_text; - unsigned int num_meshes, ofs_meshes; - unsigned int num_vertexarrays, num_vertexes, ofs_vertexarrays; - unsigned int num_triangles, ofs_triangles, ofs_adjacency; - unsigned int num_joints, ofs_joints; - unsigned int num_poses, ofs_poses; - unsigned int num_anims, ofs_anims; - unsigned int num_frames, num_framechannels, ofs_frames, ofs_bounds; - unsigned int num_comment, ofs_comment; - unsigned int num_extensions, ofs_extensions; -} IQMHeader; - -typedef struct IQMMesh { - unsigned int name; - unsigned int material; - unsigned int first_vertex, num_vertexes; - unsigned int first_triangle, num_triangles; -} IQMMesh; - -typedef struct IQMTriangle { - unsigned int vertex[3]; -} IQMTriangle; - -typedef struct IQMAdjacency { // adjacency unused by default - unsigned int triangle[3]; -} IQMAdjacency; - -typedef struct IQMJoint { - unsigned int name; - int parent; - float translate[3], rotate[4], scale[3]; -} IQMJoint; - -typedef struct IQMPose { - int parent; - unsigned int mask; - float channeloffset[10]; - float channelscale[10]; -} IQMPose; - -typedef struct IQMAnim { - unsigned int name; - unsigned int first_frame, num_frames; - float framerate; - unsigned int flags; -} IQMAnim; - -typedef struct IQMVertexArray { - unsigned int type; - unsigned int flags; - unsigned int format; - unsigned int size; - unsigned int offset; -} IQMVertexArray; - -typedef struct IQMBounds { // bounds unused by default - float bbmin[3], bbmax[3]; - float xyradius, radius; -} IQMBounds; - - -typedef enum { - IQM_POSITION = 0, - IQM_TEXCOORD = 1, - IQM_NORMAL = 2, - IQM_TANGENT = 3, // tangents unused by default - IQM_BLENDINDEXES = 4, - IQM_BLENDWEIGHTS = 5, - IQM_COLOR = 6, // vertex colors unused by default - IQM_CUSTOM = 0x10 // custom vertex values unused by default -} IQMVertexType; //---------------------------------------------------------------------------------- // Global Variables Definition @@ -225,609 +87,12 @@ typedef enum { //---------------------------------------------------------------------------------- // Module specific Functions Declaration //---------------------------------------------------------------------------------- -static AnimatedModel LoadIQM(const char *filename); #ifdef __cplusplus extern "C" { // Prevents name mangling of functions #endif -// Load .iqm file and initialize animated model -AnimatedModel LoadAnimatedModel(const char *filename) -{ - AnimatedModel out = LoadIQM(filename); - - for (int i = 0; i < out.meshCount; i++) rlLoadMesh(&out.meshes[i], false); - - out.transform = MatrixIdentity(); - out.meshMaterialId = malloc(sizeof(int)*out.meshCount); - out.materials = NULL; - out.materialCount = 0; - - for (int i = 0; i < out.meshCount; i++) out.meshMaterialId[i] = -1; - - return out; -} - -// Add a texture to an animated model -AnimatedModel AnimatedModelAddTexture(AnimatedModel model, const char *filename) -{ - Texture2D texture = LoadTexture(filename); - - model.materials = realloc(model.materials, sizeof(Material)*(model.materialCount + 1)); - model.materials[model.materialCount] = LoadMaterialDefault(); - model.materials[model.materialCount].maps[MAP_DIFFUSE].texture = texture; - model.materialCount++; - - return model; -} - -// Set the material for a meshes -AnimatedModel SetMeshMaterial(AnimatedModel model, int meshid, int textureid) -{ - if (meshid > model.meshCount) - { - TraceLog(LOG_WARNING, "MeshId greater than meshCount\n"); - return model; - } - - if (textureid > model.materialCount) - { - TraceLog(LOG_WARNING,"textureid greater than materialCount\n"); - return model; - } - - model.meshMaterialId[meshid] = textureid; - - return model; -} - -// Load animations from a .iqm file -Animation LoadAnimationFromIQM(const char *filename) -{ - Animation animation = { 0 }; - - FILE *iqmFile; - IQMHeader iqm; - - iqmFile = fopen(filename,"rb"); - - if (!iqmFile) - { - TraceLog(LOG_ERROR, "[%s] Unable to open file", filename); - return animation; - } - - // header - fread(&iqm, sizeof(IQMHeader), 1, iqmFile); - - if (strncmp(iqm.magic, IQM_MAGIC, sizeof(IQM_MAGIC))) - { - TraceLog(LOG_ERROR, "Magic Number \"%s\"does not match.", iqm.magic); - fclose(iqmFile); - return animation; - } - - if (iqm.version != IQM_VERSION) - { - TraceLog(LOG_ERROR, "IQM version %i is incorrect.", iqm.version); - fclose(iqmFile); - return animation; - } - - // header - if (iqm.num_anims > 1) TraceLog(LOG_WARNING, "More than 1 animation in file, only the first one will get loaded"); - - // joints - IQMPose *poses; - poses = malloc(sizeof(IQMPose)*iqm.num_poses); - fseek(iqmFile, iqm.ofs_poses, SEEK_SET); - fread(poses, sizeof(IQMPose)*iqm.num_poses, 1, iqmFile); - - animation.jointCount = iqm.num_poses; - animation.joints = malloc(sizeof(Joint)*iqm.num_poses); - - for (int j = 0; j < iqm.num_poses; j++) - { - strcpy(animation.joints[j].name, ANIMJOINTNAME); - animation.joints[j].parent = poses[j].parent; - } - - // animations - IQMAnim anim = {0}; - fseek(iqmFile, iqm.ofs_anims, SEEK_SET); - fread(&anim, sizeof(IQMAnim), 1, iqmFile); - - animation.frameCount = anim.num_frames; - animation.framerate = anim.framerate; - - // frameposes - unsigned short *framedata = malloc(sizeof(unsigned short)*iqm.num_frames*iqm.num_framechannels); - fseek(iqmFile, iqm.ofs_frames, SEEK_SET); - fread(framedata, sizeof(unsigned short)*iqm.num_frames*iqm.num_framechannels, 1, iqmFile); - - animation.framepose = malloc(sizeof(Pose*)*anim.num_frames); - for (int j = 0; j < anim.num_frames; j++) animation.framepose[j] = malloc(sizeof(Pose)*iqm.num_poses); - - int dcounter = anim.first_frame*iqm.num_framechannels; - - for (int frame = 0; frame < anim.num_frames; frame++) - { - for (int i = 0; i < iqm.num_poses; i++) - { - animation.framepose[frame][i].translation.x = poses[i].channeloffset[0]; - - if (poses[i].mask & 0x01) - { - animation.framepose[frame][i].translation.x += framedata[dcounter]*poses[i].channelscale[0]; - dcounter++; - } - - animation.framepose[frame][i].translation.y = poses[i].channeloffset[1]; - - if (poses[i].mask & 0x02) - { - animation.framepose[frame][i].translation.y += framedata[dcounter]*poses[i].channelscale[1]; - dcounter++; - } - - animation.framepose[frame][i].translation.z = poses[i].channeloffset[2]; - - if (poses[i].mask & 0x04) - { - animation.framepose[frame][i].translation.z += framedata[dcounter]*poses[i].channelscale[2]; - dcounter++; - } - - animation.framepose[frame][i].rotation.x = poses[i].channeloffset[3]; - - if (poses[i].mask & 0x08) - { - animation.framepose[frame][i].rotation.x += framedata[dcounter]*poses[i].channelscale[3]; - dcounter++; - } - - animation.framepose[frame][i].rotation.y = poses[i].channeloffset[4]; - - if (poses[i].mask & 0x10) - { - animation.framepose[frame][i].rotation.y += framedata[dcounter]*poses[i].channelscale[4]; - dcounter++; - } - - animation.framepose[frame][i].rotation.z = poses[i].channeloffset[5]; - - if (poses[i].mask & 0x20) - { - animation.framepose[frame][i].rotation.z += framedata[dcounter]*poses[i].channelscale[5]; - dcounter++; - } - - animation.framepose[frame][i].rotation.w = poses[i].channeloffset[6]; - - if (poses[i].mask & 0x40) - { - animation.framepose[frame][i].rotation.w += framedata[dcounter]*poses[i].channelscale[6]; - dcounter++; - } - - animation.framepose[frame][i].scale.x = poses[i].channeloffset[7]; - - if (poses[i].mask & 0x80) - { - animation.framepose[frame][i].scale.x += framedata[dcounter]*poses[i].channelscale[7]; - dcounter++; - } - - animation.framepose[frame][i].scale.y = poses[i].channeloffset[8]; - - if (poses[i].mask & 0x100) - { - animation.framepose[frame][i].scale.y += framedata[dcounter]*poses[i].channelscale[8]; - dcounter++; - } - - animation.framepose[frame][i].scale.z = poses[i].channeloffset[9]; - - if (poses[i].mask & 0x200) - { - animation.framepose[frame][i].scale.z += framedata[dcounter]*poses[i].channelscale[9]; - dcounter++; - } - - animation.framepose[frame][i].rotation = QuaternionNormalize(animation.framepose[frame][i].rotation); - } - } - - // Build frameposes - for (int frame = 0; frame < anim.num_frames; frame++) - { - for (int i = 0; i < animation.jointCount; i++) - { - if (animation.joints[i].parent >= 0) - { - animation.framepose[frame][i].rotation = QuaternionMultiply(animation.framepose[frame][animation.joints[i].parent].rotation, animation.framepose[frame][i].rotation); - animation.framepose[frame][i].translation = Vector3RotateByQuaternion(animation.framepose[frame][i].translation, animation.framepose[frame][animation.joints[i].parent].rotation); - animation.framepose[frame][i].translation = Vector3Add(animation.framepose[frame][i].translation, animation.framepose[frame][animation.joints[i].parent].translation); - animation.framepose[frame][i].scale = Vector3MultiplyV(animation.framepose[frame][i].scale, animation.framepose[frame][animation.joints[i].parent].scale); - } - } - } - - free(framedata); - free(poses); - - fclose(iqmFile); - - return animation; -} - -// Unload animated model -void UnloadAnimatedModel(AnimatedModel model) -{ - free(model.materials); - free(model.meshMaterialId); - free(model.joints); - free(model.basepose); - - for (int i = 0; i < model.meshCount; i++) rlUnloadMesh(&model.meshes[i]); - - free(model.meshes); -} - -// Unload animation -void UnloadAnimation(Animation anim) -{ - free(anim.joints); - free(anim.framepose); - - for (int i = 0; i < anim.frameCount; i++) free(anim.framepose[i]); -} - -// Check if skeletons match, only parents and jointCount are checked -bool CheckSkeletonsMatch(AnimatedModel model, Animation anim) -{ - if (model.jointCount != anim.jointCount) return 0; - - for (int i = 0; i < model.jointCount; i++) - { - if (model.joints[i].parent != anim.joints[i].parent) return 0; - } - - return 1; -} - -// Calculate the animated vertex positions and normals based on an animation at a given frame -void AnimateModel(AnimatedModel model, Animation anim, int frame) -{ - if (frame >= anim.frameCount) frame = frame%anim.frameCount; - - for (int m = 0; m < model.meshCount; m++) - { - Vector3 outv = {0}; - Vector3 outn = {0}; - - Vector3 baset = {0}; - Quaternion baser = {0}; - Vector3 bases = {0}; - - Vector3 outt = {0}; - Quaternion outr = {0}; - Vector3 outs = {0}; - - int vcounter = 0; - int wcounter = 0; - int weightId = 0; - - for (int i = 0; i < model.meshes[m].vertexCount; i++) - { - weightId = model.meshes[m].weightId[wcounter]; - baset = model.basepose[weightId].translation; - baser = model.basepose[weightId].rotation; - bases = model.basepose[weightId].scale; - outt = anim.framepose[frame][weightId].translation; - outr = anim.framepose[frame][weightId].rotation; - outs = anim.framepose[frame][weightId].scale; - - // vertices - // NOTE: We use meshes.baseVertices (default position) to calculate meshes.vertices (animated position) - outv = (Vector3){ model.meshes[m].baseVertices[vcounter], model.meshes[m].baseVertices[vcounter + 1], model.meshes[m].baseVertices[vcounter + 2] }; - outv = Vector3MultiplyV(outv, outs); - outv = Vector3Subtract(outv, baset); - outv = Vector3RotateByQuaternion(outv, QuaternionMultiply(outr, QuaternionInvert(baser))); - outv = Vector3Add(outv, outt); - model.meshes[m].vertices[vcounter] = outv.x; - model.meshes[m].vertices[vcounter + 1] = outv.y; - model.meshes[m].vertices[vcounter + 2] = outv.z; - - // normals - // NOTE: We use meshes.baseNormals (default normal) to calculate meshes.normals (animated normals) - outn = (Vector3){ model.meshes[m].baseNormals[vcounter], model.meshes[m].baseNormals[vcounter + 1], model.meshes[m].baseNormals[vcounter + 2] }; - outn = Vector3RotateByQuaternion(outn, QuaternionMultiply(outr, QuaternionInvert(baser))); - model.meshes[m].normals[vcounter] = outn.x; - model.meshes[m].normals[vcounter + 1] = outn.y; - model.meshes[m].normals[vcounter + 2] = outn.z; - vcounter += 3; - wcounter += 4; - } - } -} - -// Draw an animated model -void DrawAnimatedModel(AnimatedModel model, Vector3 position, float scale, Color tint) -{ - Vector3 vScale = { scale, scale, scale }; - Vector3 rotationAxis = { 1.0f, 0.0f,0.0f }; - - DrawAnimatedModelEx(model, position, rotationAxis, -90.0f, vScale, tint); -} - -// Draw an animated model with extended parameters -void DrawAnimatedModelEx(AnimatedModel model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint) -{ - if (model.materialCount == 0) - { - TraceLog(LOG_WARNING,"No materials set, can't draw animated meshes\n"); - return; - } - - Matrix matScale = MatrixScale(scale.x, scale.y, scale.z); - Matrix matRotation = MatrixRotate(rotationAxis, rotationAngle*DEG2RAD); - Matrix matTranslation = MatrixTranslate(position.x, position.y, position.z); - - Matrix matTransform = MatrixMultiply(MatrixMultiply(matScale, matRotation), matTranslation); - model.transform = MatrixMultiply(model.transform, matTransform); - - for (int i = 0; i < model.meshCount; i++) - { - rlUpdateMesh(model.meshes[i], 0, model.meshes[i].vertexCount); // Update vertex position - rlUpdateMesh(model.meshes[i], 2, model.meshes[i].vertexCount); // Update vertex normals - rlDrawMesh(model.meshes[i], model.materials[model.meshMaterialId[i]], model.transform); // Draw meshes - } -} - -// Load animated model meshes from IQM file -static AnimatedModel LoadIQM(const char *filename) -{ - AnimatedModel model = { 0 }; - - FILE *iqmFile; - IQMHeader iqm; - - IQMMesh *imesh; - IQMTriangle *tri; - IQMVertexArray *va; - IQMJoint *ijoint; - - float *vertex; - float *normal; - float *text; - char *blendi; - unsigned char *blendw; - - iqmFile = fopen(filename, "rb"); - - if (!iqmFile) - { - TraceLog(LOG_ERROR, "[%s] Unable to open file", filename); - return model; - } - - // header - fread(&iqm,sizeof(IQMHeader), 1, iqmFile); - - if (strncmp(iqm.magic, IQM_MAGIC, sizeof(IQM_MAGIC))) - { - TraceLog(LOG_ERROR, "Magic Number \"%s\"does not match.", iqm.magic); - fclose(iqmFile); - return model; - } - - if(iqm.version != IQM_VERSION) - { - TraceLog(LOG_ERROR, "IQM version %i is incorrect.", iqm.version); - fclose(iqmFile); - return model; - } - - // meshes - imesh = malloc(sizeof(IQMMesh)*iqm.num_meshes); - fseek(iqmFile, iqm.ofs_meshes, SEEK_SET); - fread(imesh, sizeof(IQMMesh)*iqm.num_meshes, 1, iqmFile); - - model.meshCount = iqm.num_meshes; - model.meshes = malloc(sizeof(Mesh)*iqm.num_meshes); - - char name[MESH_NAME_LENGTH]; - - for (int i = 0; i < iqm.num_meshes; i++) - { - fseek(iqmFile,iqm.ofs_text+imesh[i].name,SEEK_SET); - fread(name, sizeof(char)*MESH_NAME_LENGTH, 1, iqmFile); // Mesh name not used... - model.meshes[i].vertexCount = imesh[i].num_vertexes; - - model.meshes[i].baseVertices = malloc(sizeof(float)*imesh[i].num_vertexes*3); // Default IQM base position - model.meshes[i].baseNormals = malloc(sizeof(float)*imesh[i].num_vertexes*3); // Default IQM base normal - - model.meshes[i].texcoords = malloc(sizeof(float)*imesh[i].num_vertexes*2); - model.meshes[i].weightId = malloc(sizeof(int)*imesh[i].num_vertexes*4); - model.meshes[i].weightBias = malloc(sizeof(float)*imesh[i].num_vertexes*4); - - model.meshes[i].triangleCount = imesh[i].num_triangles; - model.meshes[i].indices = malloc(sizeof(unsigned short)*imesh[i].num_triangles*3); - - // What we actually process for rendering, should be updated transforming meshes.vertices and meshes.normals - model.meshes[i].vertices = malloc(sizeof(float)*imesh[i].num_vertexes*3); - model.meshes[i].normals = malloc(sizeof(float)*imesh[i].num_vertexes*3); - } - - // tris - tri = malloc(sizeof(IQMTriangle)*iqm.num_triangles); - fseek(iqmFile, iqm.ofs_triangles, SEEK_SET); - fread(tri, sizeof(IQMTriangle)*iqm.num_triangles, 1, iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int tcounter = 0; - - for (int i = imesh[m].first_triangle; i < imesh[m].first_triangle+imesh[m].num_triangles; i++) - { - // IQM triangles are stored counter clockwise, but raylib sets opengl to clockwise drawing, so we swap them around - model.meshes[m].indices[tcounter+2] = tri[i].vertex[0] - imesh[m].first_vertex; - model.meshes[m].indices[tcounter+1] = tri[i].vertex[1] - imesh[m].first_vertex; - model.meshes[m].indices[tcounter] = tri[i].vertex[2] - imesh[m].first_vertex; - tcounter += 3; - } - } - - // vertarrays - va = malloc(sizeof(IQMVertexArray)*iqm.num_vertexarrays); - fseek(iqmFile, iqm.ofs_vertexarrays, SEEK_SET); - fread(va, sizeof(IQMVertexArray)*iqm.num_vertexarrays, 1, iqmFile); - - for (int i = 0; i < iqm.num_vertexarrays; i++) - { - switch (va[i].type) - { - case IQM_POSITION: - { - vertex = malloc(sizeof(float)*iqm.num_vertexes*3); - fseek(iqmFile, va[i].offset, SEEK_SET); - fread(vertex, sizeof(float)*iqm.num_vertexes*3, 1, iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int vcounter = 0; - for (int i = imesh[m].first_vertex*3; i < (imesh[m].first_vertex + imesh[m].num_vertexes)*3; i++) - { - model.meshes[m].vertices[vcounter] = vertex[i]; - model.meshes[m].baseVertices[vcounter] = vertex[i]; - vcounter++; - } - } - } break; - case IQM_NORMAL: - { - normal = malloc(sizeof(float)*iqm.num_vertexes*3); - fseek(iqmFile, va[i].offset, SEEK_SET); - fread(normal, sizeof(float)*iqm.num_vertexes*3, 1, iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int vcounter = 0; - for (int i = imesh[m].first_vertex*3; i < (imesh[m].first_vertex + imesh[m].num_vertexes)*3; i++) - { - model.meshes[m].normals[vcounter] = normal[i]; - model.meshes[m].baseNormals[vcounter] = normal[i]; - vcounter++; - } - } - } break; - case IQM_TEXCOORD: - { - text = malloc(sizeof(float)*iqm.num_vertexes*2); - fseek(iqmFile, va[i].offset, SEEK_SET); - fread(text, sizeof(float)*iqm.num_vertexes*2, 1, iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int vcounter = 0; - for (int i = imesh[m].first_vertex*2; i < (imesh[m].first_vertex + imesh[m].num_vertexes)*2; i++) - { - model.meshes[m].texcoords[vcounter] = text[i]; - vcounter++; - } - } - } break; - case IQM_BLENDINDEXES: - { - blendi = malloc(sizeof(char)*iqm.num_vertexes*4); - fseek(iqmFile, va[i].offset, SEEK_SET); - fread(blendi, sizeof(char)*iqm.num_vertexes*4, 1, iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int vcounter = 0; - for (int i = imesh[m].first_vertex*4; i < (imesh[m].first_vertex + imesh[m].num_vertexes)*4; i++) - { - model.meshes[m].weightId[vcounter] = blendi[i]; - vcounter++; - } - } - } break; - case IQM_BLENDWEIGHTS: - { - blendw = malloc(sizeof(unsigned char)*iqm.num_vertexes*4); - fseek(iqmFile,va[i].offset,SEEK_SET); - fread(blendw,sizeof(unsigned char)*iqm.num_vertexes*4,1,iqmFile); - - for (int m = 0; m < iqm.num_meshes; m++) - { - int vcounter = 0; - for (int i = imesh[m].first_vertex*4; i < (imesh[m].first_vertex + imesh[m].num_vertexes)*4; i++) - { - model.meshes[m].weightBias[vcounter] = blendw[i]/255.0f; - vcounter++; - } - } - } break; - } - } - - // joints, include base poses - ijoint = malloc(sizeof(IQMJoint)*iqm.num_joints); - fseek(iqmFile, iqm.ofs_joints, SEEK_SET); - fread(ijoint, sizeof(IQMJoint)*iqm.num_joints, 1, iqmFile); - - model.jointCount = iqm.num_joints; - model.joints = malloc(sizeof(Joint)*iqm.num_joints); - model.basepose = malloc(sizeof(Pose)*iqm.num_joints); - - for (int i = 0; i < iqm.num_joints; i++) - { - // joints - model.joints[i].parent = ijoint[i].parent; - fseek(iqmFile, iqm.ofs_text + ijoint[i].name, SEEK_SET); - fread(model.joints[i].name,sizeof(char)*JOINT_NAME_LENGTH, 1, iqmFile); - - // basepose - model.basepose[i].translation.x = ijoint[i].translate[0]; - model.basepose[i].translation.y = ijoint[i].translate[1]; - model.basepose[i].translation.z = ijoint[i].translate[2]; - - model.basepose[i].rotation.x = ijoint[i].rotate[0]; - model.basepose[i].rotation.y = ijoint[i].rotate[1]; - model.basepose[i].rotation.z = ijoint[i].rotate[2]; - model.basepose[i].rotation.w = ijoint[i].rotate[3]; - - model.basepose[i].scale.x = ijoint[i].scale[0]; - model.basepose[i].scale.y = ijoint[i].scale[1]; - model.basepose[i].scale.z = ijoint[i].scale[2]; - } - - // build base pose - for (int i = 0; i < model.jointCount; i++) - { - if (model.joints[i].parent >= 0) - { - model.basepose[i].rotation = QuaternionMultiply(model.basepose[model.joints[i].parent].rotation, model.basepose[i].rotation); - model.basepose[i].translation = Vector3RotateByQuaternion(model.basepose[i].translation, model.basepose[model.joints[i].parent].rotation); - model.basepose[i].translation = Vector3Add(model.basepose[i].translation, model.basepose[model.joints[i].parent].translation); - model.basepose[i].scale = Vector3MultiplyV(model.basepose[i].scale, model.basepose[model.joints[i].parent].scale); - } - } - fclose(iqmFile); - free(imesh); - free(tri); - free(va); - free(vertex); - free(normal); - free(text); - free(blendi); - free(blendw); - free(ijoint); - return model; -} #endif -- cgit v1.2.3